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Introduction

NTP (Time) servers can be provided via:

  1. DHCP option 42
  2. Nx70 time server setting, can be changed via:
    1. Web-interface
    2. Auto-provisioning

Default setting is: 0.europe.pool.ntp.org,1.europe.pool.ntp.org,2.europe.pool.ntp.org,3.europe.pool.ntp.org

The Nx70 will query (using the standard settings) the NTP servers in the following order:

  1. 3.europe.pool.ntp.org
  2. 2.europe.pool.ntp.org
  3. 1.europe.pool.ntp.org
  4. 0.europe.pool.ntp.org
  5. Via DHCP option 42 provided NTP server

The last answered NTP query is used by the Nx70.

From software version 2.44.0, via auto-provisioning, it is possible to enable/disable the NTP server via DHCP option 42.


Auto-provisioning example

<?xml version="1.0" encoding="UTF-8"?>
<settings version="1.0" productID="e2">

<nvm>

<!-- Example how to provisioning NTP server settings -->
<param name="DmGlobal.0.NtpServer" value="0.europe.pool.ntp.org,1.europe.pool.ntp.org,2.europe.pool.ntp.org,3.europe.pool.ntp.org"/>

</nvm>

<oper name="set_uci">

<!-- Disable the option to configure the NTP server via DHCP option 42
0 = DHCP option 42 is not used
1 = DHCP option 42 is used -->

<param name="system.ntp.use_dhcp" value="0" />

</oper>

</settings>

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